<template>
  <div style="padding: 10px">
<!--    功能区域-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add">新增</el-button>
    </div>

<!--    搜索区域-->
    <div style="margin: 10px 0">
      <el-input v-model="search" placeholder="请输入关键字" style="width: 20%" clearable></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
    </div>
    <el-table
        v-loading="loading"
        :data="tableData"
        border
        stripe
        style="width: 100%">
      <el-table-column
          prop="id"
          sortable
          label="ID">
      </el-table-column>
      <el-table-column
          prop="username"
          label="用户名">
      </el-table-column>
      <el-table-column
          prop="nickName"
          label="昵称">
      </el-table-column>
      <el-table-column
          prop="age"
          label="年龄">
      </el-table-column>
      <el-table-column
          prop="sex"
          label="性别">
      </el-table-column>
      <el-table-column
          prop="address"
          label="地址">
      </el-table-column>
      <el-table-column
          label="角色">
        <template #default="scope">
          <span v-if="scope.row.role === 1">管理员</span>
          <span v-if="scope.row.role === 2">普通用户</span>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template #default="scope">
          <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
          <el-popconfirm title="确定删除吗？" @confirm="handleDelete(scope.row.id)">
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

<!--    分页-->
    <div style="margin: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="currentPage"
          :page-sizes="[5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>

      <el-dialog title="提示" v-model="dialogVisible" width="30%">
        <el-form :model="form" label-width="120px">
          <el-form-item label="用户名">
            <el-input v-model="form.username" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="昵称">
            <el-input v-model="form.nickName" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="年龄">
            <el-input v-model="form.age" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="性别">
            <el-radio v-model="form.sex" label="男">男</el-radio>
            <el-radio v-model="form.sex" label="女">女</el-radio>
            <el-radio v-model="form.sex" label="未知">未知</el-radio>
          </el-form-item>
          <el-form-item label="地址">
            <el-input type="textarea" v-model="form.address" style="width: 80%"></el-input>
          </el-form-item>
        </el-form>
        <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">确 定</el-button>
        </span>
        </template>
      </el-dialog>

    </div>
  </div>
</template>

<script>

import request from "../utils/request";

export default {
  name: 'User',
  components: {

  },
  data(){
    return{
      loading: true,
      form:{},
      dialogVisible: false,
      search: '',
      currentPage: 1,
      pageSize: 10,
      total: 10,
      tableData: []
    }
  },
  created() {
    this.load()
  },
  methods: {
    load(){
      this.loading = true
      request.get("/user",{
        params:{
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search
        }
      }).then(res =>{
        // console.log(res)
        this.loading = false
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
    add(){
      this.dialogVisible=true
      this.form = {}
    },
    save(){
      if (this.form.id) {  // 更新
        request.put("/user", this.form).then(res => {
          console.log(res)
          if(res.code === '0'){
            this.$message({
              type: "success",
              message: "更新成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }
          this.load()   // 刷新表格的数据
          this.dialogVisible = false  // 关闭弹窗
        })
      } else {    // 新增
        request.post("/user", this.form).then(res => {
          console.log(res)
          if(res.code === '0'){
            this.$message({
              type: "success",
              message: "新增成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }
          this.load()   // 刷新表格的数据
          this.dialogVisible = false  // 关闭弹窗
        })
      }
    },
    handleEdit(row){ //编辑
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogVisible = true
    },
    handleSizeChange(pageSize){     //  改变当前每页的个数触发
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum){    // 改变当前页码触发
      this.currentPage = pageNum
      this.load()
    },
    handleDelete(id){
      console.log(id)
      request.delete("/user/"+id).then(res => {
        if(res.code === '0'){
          this.$message({
            type: "success",
            message: "删除成功"
          })
        } else {
          this.$message({
            type: "error",
            message: res.msg
          })
        }
        this.load()   // 删除之后重新加载表格的数据
      })
    }
  }
}
</script>
